Use Nikon lenses on Canon EF mount cameras. NO electronics of the lens will work, Nikon or other brands with Nikon mount lenses with aperture ring required. Excellent for video use, sturdy and reliable, not recommended for stills (camera photometer and AF assistence will not be reliable).
Lens adapter to use Nikon G mount lenses such as Nikkor 85mm f1.8 or 55mm Zeiss Otus with Canon EOS cameras with EF mount. Doesn't mantain lens electronics. Works with lenses without external diaphragm barrell.